public void ReadWriteAsCompactVarInt(ref ulong val)
{
var value = new CompactVarInt(val, sizeof(ulong));
ReadWrite(ref value);
if (!Serializing)
{
val = value.ToLong();
}
}
public void CanUseCompactVarInt()
{
var tests = new[] {
new object[] { 0UL, new byte[] { 0 } },
new object[] { 1UL, new byte[] { 1 } },
new object[] { 127UL, new byte[] { 0x7F } },
new object[] { 128UL, new byte[] { 0x80, 0x00 } },
new object[] { 255UL, new byte[] { 0x80, 0x7F } },
new object[] { 256UL, new byte[] { 0x81, 0x00 } },
new object[] { 16383UL, new byte[] { 0xFE, 0x7F } },
//new object[]{16384UL, new byte[]{0xFF, 0x00}},
//new object[]{16511UL, new byte[]{0x80, 0xFF, 0x7F}},
//new object[]{65535UL, new byte[]{0x82, 0xFD, 0x7F}},
new object[] { (ulong)1 << 32, new byte[] { 0x8E, 0xFE, 0xFE, 0xFF, 0x00 } },
};
foreach (var test in tests)
{
ulong val = (ulong)test[0];
byte[] expectedBytes = (byte[])test[1];
AssertEx.CollectionEquals(new CompactVarInt(val, sizeof(ulong)).ToBytes(), expectedBytes);
AssertEx.CollectionEquals(new CompactVarInt(val, sizeof(uint)).ToBytes(), expectedBytes);
var compact = new CompactVarInt(sizeof(ulong));
compact.ReadWrite(expectedBytes);
Assert.Equal(val, compact.ToLong());
compact = new CompactVarInt(sizeof(uint));
compact.ReadWrite(expectedBytes);
Assert.Equal(val, compact.ToLong());
}
foreach (var i in Enumerable.Range(0, 65535 * 4))
{
var compact = new CompactVarInt((ulong)i, sizeof(ulong));
var bytes = compact.ToBytes();
compact = new CompactVarInt(sizeof(ulong));
compact.ReadWrite(bytes);
Assert.Equal((ulong)i, compact.ToLong());
}
}
public void CanUseCompactVarInt()
{
var tests = new[]{
new object[]{0UL, new byte[]{0}},
new object[]{1UL, new byte[]{1}},
new object[]{127UL, new byte[]{0x7F}},
new object[]{128UL, new byte[]{0x80, 0x00}},
new object[]{255UL, new byte[]{0x80, 0x7F}},
new object[]{256UL, new byte[]{0x81, 0x00}},
new object[]{16383UL, new byte[]{0xFE, 0x7F}},
//new object[]{16384UL, new byte[]{0xFF, 0x00}},
//new object[]{16511UL, new byte[]{0x80, 0xFF, 0x7F}},
//new object[]{65535UL, new byte[]{0x82, 0xFD, 0x7F}},
new object[]{(ulong)1 << 32, new byte[]{0x8E, 0xFE, 0xFE, 0xFF, 0x00}},
};
foreach(var test in tests)
{
ulong val = (ulong)test[0];
byte[] expectedBytes = (byte[])test[1];
AssertEx.CollectionEquals(new CompactVarInt(val, sizeof(ulong)).ToBytes(), expectedBytes);
AssertEx.CollectionEquals(new CompactVarInt(val, sizeof(uint)).ToBytes(), expectedBytes);
var compact = new CompactVarInt(sizeof(ulong));
compact.ReadWrite(expectedBytes);
Assert.Equal(val, compact.ToLong());
compact = new CompactVarInt(sizeof(uint));
compact.ReadWrite(expectedBytes);
Assert.Equal(val, compact.ToLong());
}
foreach(var i in Enumerable.Range(0, 65535 * 4))
{
var compact = new CompactVarInt((ulong)i, sizeof(ulong));
var bytes = compact.ToBytes();
compact = new CompactVarInt(sizeof(ulong));
compact.ReadWrite(bytes);
Assert.Equal((ulong)i, compact.ToLong());
}
}